CVE-2022-49413 (GCVE-0-2022-49413)
Vulnerability from cvelistv5
Published
2025-02-26 02:12
Modified
2025-05-04 08:37
Severity ?
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
In the Linux kernel, the following vulnerability has been resolved: bfq: Update cgroup information before merging bio When the process is migrated to a different cgroup (or in case of writeback just starts submitting bios associated with a different cgroup) bfq_merge_bio() can operate with stale cgroup information in bic. Thus the bio can be merged to a request from a different cgroup or it can result in merging of bfqqs for different cgroups or bfqqs of already dead cgroups and causing possible use-after-free issues. Fix the problem by updating cgroup information in bfq_merge_bio().
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/2a1077f17169a6059992a0bbdb330e0abad1e6d9Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/b06691af08b41dfd81052a3362514d9827b44bb1Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/d9165200c5627a2cf4408eefabdf0058bdf95e1aPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/da9f3025d595956410ceaab2bea01980d7775948Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/e8821f45612f2e6d9adb9c6ba0fb4184f57692aaPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/ea591cd4eb270393810e7be01feb8fde6a34fbbePatch
Impacted products
Vendor Product Version
Linux Linux Version: e21b7a0b988772e82e7147e1c659a5afe2ae003c
Version: e21b7a0b988772e82e7147e1c659a5afe2ae003c
Version: e21b7a0b988772e82e7147e1c659a5afe2ae003c
Version: e21b7a0b988772e82e7147e1c659a5afe2ae003c
Version: e21b7a0b988772e82e7147e1c659a5afe2ae003c
Version: e21b7a0b988772e82e7147e1c659a5afe2ae003c
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   Linux Linux Version: 4.12
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Thus the bio can be merged to a request from a different cgroup or\\nit can result in merging of bfqqs for different cgroups or bfqqs of\\nalready dead cgroups and causing possible use-after-free issues. Fix the\\nproblem by updating cgroup information in bfq_merge_bio().\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.4.198\", \"versionStartIncluding\": \"4.12\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.10.121\", \"versionStartIncluding\": \"4.12\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.15.46\", \"versionStartIncluding\": \"4.12\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.17.14\", \"versionStartIncluding\": \"4.12\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.18.3\", \"versionStartIncluding\": \"4.12\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.19\", \"versionStartIncluding\": \"4.12\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2025-05-04T08:37:09.165Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2022-49413\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-05-04T08:37:09.165Z\", \"dateReserved\": \"2025-02-26T02:08:31.567Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2025-02-26T02:12:34.604Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


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